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KonstantinChe [14]
3 years ago
9

What is the solution to this system of linear equations?

Mathematics
1 answer:
Rzqust [24]3 years ago
4 0

Answer:

(7,3)

Step-by-step explanation:

2x = 14

x= 7

7 - 3y =-2

-3y = -9

y= 3

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Select ALL the sets of numbers that give possible values for w in the inequality.
MatroZZZ [7]

Answer:

A and B

Step-by-step explanation:

Not C because

-5.75 < -5.45

In D, all are less than -5.45

7 0
3 years ago
Sara can ride her bicycle 3 miles in 12 minutes. at this rate how many miles can she ride her bicycle in 60 minutes?
Musya8 [376]

Answer:

A. 5

Explanation:

12 times 5 is 60

6 0
3 years ago
PLEASE HELP ME! I DON'T UNDERSTAND THIS
Marrrta [24]
Answer: 
The system is composed of these two inequalities combined
y <= -x+4
y >= (1/3)x

-----------------------------------------------------------------------

Explanation:

The solid line has the boundary equation y = -x+4
This line goes through (0,4) and (4,0). Using the slope formula, we find that m = -1. Plugging m = -1 and (x,y) = (0,4) into y = mx+b leads to y = -x+4

The shading is below the solid line so we change the equal sign to a "less than or equal to" sign, which leads us to y <= -x+4

That takes care of the first inequality. We must use "or equal to" as part of the inequality to ensure the boundary is solid

------------

The second inequality is y > (1/3)x as the boundary line is y = (1/3)x. This line goes through (0,0) and (3,1). The slope is 1/3 and y intercept is 0

The boundary is a dashed line. This means we don't have "or equal to" as part of the inequality


7 0
3 years ago
If f(x) is a linear function, what is the value of n?
bulgar [2K]

Answer:

13

Step-by-step explanation:

Take any two corresponding values, say (3,7) and (9,16)

Calculate the gradient of the linear function

Gradient=[16-7]/[9-3]=9/6=3/2

find the equation or rule of the linear mapping

y-7=(3/2)(x-3)

y=3x-9+7

y=(3/2)x+5/2

4 0
3 years ago
H+c = $3<br> 4h + 4c = $10<br><br> Solve for h and c
Andrei [34K]

Step-by-step explanation:

hope you can understand

8 0
2 years ago
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